CN110159575A - Blower control method, device, water heater and the storage medium of gas heater - Google Patents
Blower control method, device, water heater and the storage medium of gas heater Download PDFInfo
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- CN110159575A CN110159575A CN201810140890.4A CN201810140890A CN110159575A CN 110159575 A CN110159575 A CN 110159575A CN 201810140890 A CN201810140890 A CN 201810140890A CN 110159575 A CN110159575 A CN 110159575A
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- gas heater
- gas
- blower control
- control method
- blower
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
The present invention discloses blower control method, device, water heater and the storage medium of a kind of gas heater, and wherein the blower control method of the gas heater includes: acquisition sectioning valve electric current, obtains the working condition of sectioning valve；The electric current for acquiring gas ratio valve, obtains the size of thermic load；According to the working condition of sectioning valve, thermic load and preset mapping ruler, rotation speed of fan is determined；The blower of control gas heater is operated according to identified rotation speed of fan.Technical solution of the present invention improves the efficiency of combustion of hot gas water heater.
Description
Technical field
The present invention relates to gas heater technical field, in particular to a kind of blower control method of gas heater, dress
It sets, water heater and storage medium.
Background technique
Currently, the common blower of gas heater has AC blower fan and DC fan, because DC fan revolving speed is adjustable, compare
In the air-fuel ratio of AC blower fan gas heater easier to control.
The regulative mode of existing DC fan revolving speed has constant flow regulation, constant pressure to adjust two kinds.But it is both simple logical
It crosses and water heater gas ratio valve electric current is mapped to rotation speed of fan by linear equation.Gas ratio valve is certain at large and small section
Under load, gas quantity is different, and the revolving speed of blower is constant, so that combustion gas is being not on best combustion operating condition, burning is caused to be imitated
Rate is low.
Summary of the invention
The main object of the present invention is to provide a kind of blower control method of gas heater, it is intended to improve efficiency of combustion.
To achieve the above object, the blower control method of gas heater proposed by the present invention, comprising:
Sectioning valve electric current is acquired, the working condition of sectioning valve is obtained；The electric current for acquiring gas ratio valve, obtains thermic load
Size；
According to the working condition of the sectioning valve, thermic load and preset mapping ruler, rotation speed of fan is determined；
The blower of control gas heater is operated according to identified rotation speed of fan.
Preferably, the preset mapping ruler is that the minimum speed run by blower in segment and corresponding heat are negative
The maximum (top) speed run when lotus, segment and corresponding thermic load, and minimum speed when big section operation and corresponding thermic load,
The linear equation that maximum (top) speed when big section operation is determined with corresponding thermic load.
Preferably, setting blower the minimum speed FL that is run in segment and maximum (top) speed FM, when big section is run most
The mapping ruler of small revolving speed FN and maximum (top) speed FH and motor speed and thermic load；Wherein, FL, FM, FN and FH are positive number,
Set FM < FH.
Preferably, FL < FN < FM < FH is set.
Preferably, the blower control method of the gas heater further include:
The oxygen content for acquiring gas heater exhaust passage, judges whether gas heater is in most according to oxygen content
Good combustion conditions；
If gas heater is not in best combustion operating condition, rotation speed of fan is adjusted according to the preset mapping ruler.
Preferably, the blower control method of the gas heater further include:
The flame temperature for acquiring gas heater, judges whether gas heater is in best combustion work according to flame temperature
Condition；
If gas heater is not in best combustion operating condition, rotation speed of fan is adjusted according to mapping ruler.
Preferably, the electric current of the acquisition gas ratio valve, the size for obtaining thermic load include:
The electric current for acquiring gas ratio valve, obtains the aperture of gas ratio valve；
The size of thermic load is obtained according to the aperture of gas ratio valve.
Preferably, the blower control device of the gas heater includes: memory, processor and is stored in the memory
The air-blower control program of the gas heater run above and on the processor, the air-blower control program of the gas heater
The step of realizing method as described above when being executed by the processor.
The present invention proposes a kind of storage medium, and the air-blower control program of gas heater is stored on the storage medium,
The air-blower control program of the gas heater realizes the air-blower control of gas heater as described above when being executed by processor
The step of method.
The present invention also proposes that a kind of gas heater, the gas heater include air conditioner blower control dress as described above
It sets or storage medium as described above.
Technical solution of the present invention is by obtaining the working condition of sectioning valve respectively, obtaining the size of thermic load；According to described
Working condition, thermic load and the mapping ruler of sectioning valve, determine rotation speed of fan, avoid gas heater certain heat in segment negative
Revolving speed is excessively high under lotus, causes to burn insufficient and occur from flame phenomenon, to improve efficiency of combustion.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the flow chart of one embodiment of blower control method of gas heater of the present invention；
Fig. 2 is each load section of one embodiment of blower control method and rotation speed of fan, combustion gas ratio of gas heater of the present invention
The mapping ruler schematic diagram of the electric current of example valve.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to
Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result,
Two " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can
It to be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occurs
It is conflicting or when cannot achieve should people think that the combination of this technical solution is not present, also not the present invention claims protection
Within the scope of.
The present invention proposes a kind of blower control method of gas heater.
Referring to FIG. 1 and FIG. 2, in embodiments of the present invention, this to achieve the above object, gas heater proposed by the present invention
Blower control method, comprising:
S100, acquisition sectioning valve electric current, obtain the working condition of sectioning valve；The electric current of gas ratio valve is acquired, heat is obtained
The size of load.It should be noted that requirement and winter requirement to water temperature of the summer user to water temperature is different, usual combustion gas
The heating mode of water heater has summer heating mode and winter heating mode, is required with meeting different seasons.The present embodiment
In, summer heating mode corresponds to segment, and winter heating mode corresponds to big section.
Sectioning valve is used to control the heating mode of gas heater, correspondingly, when sectioning valve is in the shape of different work
When state, operating current size is different, therefore can judge its working condition by detecting the operating current of sectioning valve.
The working condition of the sectioning valve includes opening and closing；When sectioning valve is opened, it is negative that gas heater is in heat
Big section of operating condition of lotus；When sectioning valve is closed, gas heater is in thermic load segment operating condition.
S200, working condition, thermic load and mapping ruler according to the sectioning valve, determine rotation speed of fan.
Similar, the gas flow of its gas ratio valve can be determined by the electric current of gas ratio valve, to obtain combustion gas
The load of heat of water heater.In Fig. 2, P1~P3 corresponds to the segment thermic load of gas heater, and P2~P4 corresponds to gas and hot water
The big section thermic load of device.
S300, the blower for controlling gas heater are operated according to identified rotation speed of fan.
It can be readily appreciated that gas heater set temperature is higher, the gas quantity needed is also bigger, needed for corresponding burning
Oxygen amount is bigger.Blower is the main oxygen supply equipment of gas heater, and rotation speed of fan is higher, and introducing combustion air amount is bigger, to combustion
Burning room oxygen-supplying amount is also bigger, and therefore, set water temperature is higher, and rotation speed of fan is also higher, conversely, rotation speed of fan is smaller.
Technical solution of the present invention is by obtaining the working condition of sectioning valve respectively, obtaining the size of thermic load；According to described
Working condition, thermic load and the mapping ruler of sectioning valve, determine rotation speed of fan, avoid gas heater certain heat in segment negative
Revolving speed is excessively high under lotus, causes to burn insufficient and occur from flame phenomenon, to improve efficiency of combustion.
Minimum speed FL and maximum (top) speed FM, the minimum speed FN when big section is run that setting blower is run in segment
With the mapping ruler of maximum (top) speed FH and motor speed and thermic load；Wherein, FL, FM, FN and FH are positive number, set FM <
FH.Blower maximum (top) speed when maximum rotation speed of fan when by by segment is limited in big section is hereinafter, further reduce combustion gas
The revolving speed of water heater blower under certain thermic loads in segment, to improve efficiency of combustion.
Further, FL < FN < FM < FH is set.
It should be noted that in traditional control mode, the minimum speed and the minimum of blower when big section of segment blower
Revolving speed be it is the same, this will cause in the certain thermic loads of segment because revolving speed is excessively high causes efficiency inadequate, occur from flame phenomenon；And
In the certain thermic loads of big section because revolving speed is excessively inefficient and excessively high, causes exhaust gas temperature too low, be easy to produce condensed water.Therefore,
In embodiments of the present invention, by setting FM < FH, avoiding gas heater, revolving speed is excessively high under certain thermic loads in segment, makes
Occur at burning insufficient from flame phenomenon, to improve efficiency of combustion；By setting FL < FN, so that increasing in big section
Add the revolving speed of blower, improves exhaust gas temperature, prevent from generating condensed water on the heat exchanger of gas heater.
Please continue to refer to Fig. 2, specifically, the mapping ruler be the minimum speed FL that is run in segment by blower with most
The linear equation that minimum speed FN and maximum (top) speed FH when big revolving speed FM and big section are run are determined.
It should be noted that minimum speed FL, the corresponding thermic load P1 of minimum speed that blower is run in segment, blower
The corresponding thermic load P2 of maximum (top) speed FM, the maximum (top) speed run in segment；Minimum speed FN that blower is run in big section,
The corresponding thermic load P3 of minimum speed, the corresponding thermic load P4 of maximum (top) speed FH, the maximum (top) speed that blower is run in big section, such as
This obtains (FL, P1) and (FM, P2) and (FN, P3) and (FH, P4), and (FL, P1), (FM, P2) can determine the straight line side of segment
Journey, and (FN, P3), (FH, P4) can determine the linear equation of big section.
The current value of gas ratio valve is detected, so that the current thermic load of gas heater is obtained, according to thermic load and directly
Line equation, is calculated rotation speed of fan.
Further, the blower control method of the gas heater further include:
The oxygen content for acquiring gas heater exhaust passage, judges whether gas heater is in most according to oxygen content
Good combustion conditions；
If gas heater is not in best combustion operating condition, rotation speed of fan is adjusted according to mapping ruler.
It should be noted that combustion conditions refer to the working condition in combustion process.The combustion conditions packet of gas heater
Include combustion state, the stability of combustion flame, the content ratio of carbon monoxide and nitrogen oxides, nitrogen oxides in effluent in flue gas
Content etc.；And the good fast proportion for depending on combustion gas and air when burning of combustion state, air is excessive or very few can all bring
What is burnt is unstable, insufficient.It is that essence is matched by control air quantity (blower) and gas quantity (gas ratio valve) in the present embodiment
Than controlling combustion conditions.Best combustion operating condition, for the proportion for first passing through air quantity and gas quantity that experiment obtains in advance.It therefore can be with
By acquiring the oxygen content of gas heater exhaust passage, judge whether gas heater is in best combustion operating condition.
In one embodiment, it is the control precision for further increasing blower, turns so that the actual speed of blower tends to be given
Speed, by acquiring the oxygen content of gas heater exhaust passage, feedback regulation rotation speed of fan.It is to be passed by oxygen in the present embodiment
Sensor surveys the oxygen content of gas heater exhaust passage.
The oxygen content of gas heater exhaust passage has reacted the combustion conditions of water heater, can be surveyed in advance by experiment
Obtain the corresponding relationship of oxygen content and combustion conditions (i.e. thermic load).When combustion conditions are in overfire, illustrate oxygen at this time
Gas content is excessively high, and rotation speed of fan is too fast, then turns rotation speed of fan down according to the rotation speed of fan and mapping ruler that measure.
It can be readily appreciated that illustrating that oxygen content at this time is low, rotation speed of fan mistake when combustion conditions burning is insufficient
It is low, then the revolving speed of blower is tuned up according to the rotation speed of fan and mapping ruler that measure.
Further, the blower control method of the gas heater further include:
The flame temperature for acquiring gas heater, judges whether gas heater is in best combustion work according to flame temperature
Condition；
If gas heater is not in best combustion operating condition, rotation speed of fan is adjusted according to mapping ruler.
In another embodiment, the ignition temperature of gas heater has reacted combustion conditions, and flame temperature is high, then illustrates to fire
It burns operating condition and is in preferable state, opposite flame temperature is low, then illustrates that combustion conditions are poor.By detecting flame temperature, judgement
Whether gas heater is in best combustion operating condition, and according to the rotation speed of fan and mapping ruler measured, appropriate adjustment blower turns
Speed, so that combustion conditions are in optimum state.
In addition to this it is possible to which other feedback devices are arranged, current rotation speed of fan is detected, and according to mapping
Rule relation judges that the revolving speed of current blower is fast or partially slow, then the revolving speed of corresponding adjustment blower, so that gas and hot water
The efficiency of combustion of device is in optimum condition always.
Specifically, described " electric current of acquisition gas ratio valve, obtain the size of thermic load " includes:
The electric current for acquiring gas ratio valve, obtains the aperture of gas ratio valve；
The size of thermic load is obtained according to the aperture of gas ratio valve.
Specifically, the working condition of the sectioning valve includes opening and closing；When sectioning valve is opened, at gas heater
In big section of operating condition of thermic load；When sectioning valve is closed, gas heater is in thermic load segment operating condition.In the present embodiment, segmentation
Valve is corresponding with two states of big section and segment.
The present invention proposes a kind of fan controller of gas heater, the blower control device packet of the gas heater
It includes: memory, processor and the blower control for being stored in the gas heater run on the memory and on the processor
Processing procedure sequence, the air-blower control program of the gas heater realize the step of method as described above when being executed by the processor
Suddenly.
The present invention proposes a kind of storage medium, and the air-blower control program of gas heater is stored on the storage medium,
The air-blower control program of the gas heater realizes the air-blower control of gas heater as described above when being executed by processor
The step of method.
The present invention also proposes that a kind of gas heater, the gas heater include the wind of gas heater as described above
Machine control device or storage medium as described above.The blower control device of the gas heater or the embodiment ginseng of storage medium
At least have according to above-described embodiment since this gas heater uses whole technical solutions of above-mentioned all embodiments
All beneficial effects brought by the technical solution of above-described embodiment, this is no longer going to repeat them.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in one as described above
In storage medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that terminal device (it can be mobile phone,
Computer, server, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of blower control method of gas heater characterized by comprising
Sectioning valve electric current is acquired, the working condition of sectioning valve is obtained；The electric current for acquiring gas ratio valve, obtains the big of thermic load
It is small；
According to the working condition of the sectioning valve, thermic load and preset mapping ruler, rotation speed of fan is determined；
The blower of control gas heater is operated according to identified rotation speed of fan.
2. the blower control method of gas heater as described in claim 1, which is characterized in that the preset mapping ruler
For run by blower in segment minimum speed and corresponding thermic load, segment when the maximum (top) speed that runs and corresponding heat it is negative
Lotus, and minimum speed when the operation of big section and maximum (top) speed and the corresponding thermic load when corresponding thermic load, the operation of big section
Determining linear equation.
3. the blower control method of gas heater as claimed in claim 2, which is characterized in that setting blower is in segment luck
Capable minimum speed FL and maximum (top) speed FM, the minimum speed FN when big section is run and maximum (top) speed FH and motor speed and
The mapping ruler of thermic load；Wherein, FL, FM, FN and FH are positive number, set FM < FH.
4. the blower control method of gas heater as claimed in claim 3, which is characterized in that setting FL < FN < FM <
FH。
5. the blower control method of the gas heater as described in any one of Claims 1-4, which is characterized in that described
The blower control method of gas heater further include:
The oxygen content for acquiring gas heater exhaust passage, judges whether gas heater is in best combustion according to oxygen content
Burn operating condition；
If gas heater is not in best combustion operating condition, rotation speed of fan is adjusted according to the preset mapping ruler.
6. the blower control method of the gas heater as described in any one of Claims 1-4, which is characterized in that described
The blower control method of gas heater further include:
The flame temperature for acquiring gas heater, judges whether gas heater is in best combustion operating condition according to flame temperature；
If gas heater is not in best combustion operating condition, rotation speed of fan is adjusted according to mapping ruler.
7. the blower control method of gas heater as described in claim 1, which is characterized in that the acquisition gas ratio valve
Electric current, the size for obtaining thermic load includes:
The electric current for acquiring gas ratio valve, obtains the aperture of gas ratio valve；
The size of thermic load is obtained according to the aperture of gas ratio valve.
8. a kind of fan controller of gas heater, which is characterized in that the blower control device of the gas heater includes:
Memory, processor and the air-blower control journey for being stored in the gas heater run on the memory and on the processor
Sequence is realized when the air-blower control program of the gas heater is executed by the processor such as any one of claims 1 to 7 institute
The step of blower control method for the gas heater stated.
9. a kind of storage medium, which is characterized in that be stored with the air-blower control program of gas heater, institute on the storage medium
State the combustion gas realized as described in any one of claims 1 to 7 when the air-blower control program of gas heater is executed by processor
The step of blower control method of water heater.
10. a kind of gas heater, which is characterized in that the gas heater includes gas and hot water as claimed in claim 8
The fan controller of device or storage medium as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810140890.4A CN110159575B (en) | 2018-02-10 | 2018-02-10 | Fan control method and device for gas water heater, water heater and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810140890.4A CN110159575B (en) | 2018-02-10 | 2018-02-10 | Fan control method and device for gas water heater, water heater and storage medium |
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| Publication Number | Publication Date |
|---|---|
| CN110159575A true CN110159575A (en) | 2019-08-23 |
| CN110159575B CN110159575B (en) | 2021-05-25 |
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ID=67634945
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810140890.4A Active CN110159575B (en) | 2018-02-10 | 2018-02-10 | Fan control method and device for gas water heater, water heater and storage medium |
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| CN (1) | CN110159575B (en) |
Cited By (8)
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| CN111396923A (en) * | 2020-03-31 | 2020-07-10 | 广东万和热能科技有限公司 | Flame control method and system for combustion system |
| CN111964269A (en) * | 2020-07-27 | 2020-11-20 | 广东万和新电气股份有限公司 | Gas water heater and automatic judgment and control method for rotating speed precision of fan of gas water heater |
| CN113062879A (en) * | 2021-03-24 | 2021-07-02 | 中山华帝电子科技有限公司 | Wind pressure resistance control method for hot water supply equipment |
| CN114151975A (en) * | 2021-11-26 | 2022-03-08 | 广东万和新电气股份有限公司 | Gas water heater and control method and control device thereof |
| CN115289691A (en) * | 2022-08-04 | 2022-11-04 | 珠海格力电器股份有限公司 | Combustion control method and device for gas water heater, gas water heater and storage medium |
| WO2023155663A1 (en) * | 2022-02-17 | 2023-08-24 | 中国市政工程华北设计研究总院有限公司 | Method for controlling household gas water heater using hydrogen as fuel |
| CN116838635A (en) * | 2023-08-31 | 2023-10-03 | 山东豪迈机械制造有限公司 | Compressor valve self-checking method, device and equipment |
| US12098868B2 (en) | 2022-02-17 | 2024-09-24 | North China Municipal Engineering Design & Research Institute Co., Ltd. | Control method for hydrogen-fueled domestic gas water heater |
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| US12098868B2 (en) | 2022-02-17 | 2024-09-24 | North China Municipal Engineering Design & Research Institute Co., Ltd. | Control method for hydrogen-fueled domestic gas water heater |
| CN115289691A (en) * | 2022-08-04 | 2022-11-04 | 珠海格力电器股份有限公司 | Combustion control method and device for gas water heater, gas water heater and storage medium |
| CN115289691B (en) * | 2022-08-04 | 2024-05-24 | 珠海格力电器股份有限公司 | Combustion control method and device for gas water heater, gas water heater and storage medium |
| CN116838635A (en) * | 2023-08-31 | 2023-10-03 | 山东豪迈机械制造有限公司 | Compressor valve self-checking method, device and equipment |
| CN116838635B (en) * | 2023-08-31 | 2023-11-14 | 山东豪迈机械制造有限公司 | Compressor valve self-checking method, device and equipment |
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Effective date of registration: 20221108 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 241009 Wan Chun East Road, East District, Wuhu economic and Technological Development Zone, Anhui Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. Patentee before: MIDEA GROUP Co.,Ltd. |
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